Regio VI Parione in 1777, centred on the long oval of Piazza Navona and reaching Campo di Fiore and Piazza Farnese at the bottom.
Source: Old map, public domain
Piazza Navona is drawn as a long open oval with S. Agnese and S. Giacomo beside it, and Chiesa Nova stands at the left in its own walled block. Further south the Cancelleria, Campo di Fiore and Piazza Farnese are lettered, with the scale in cannae along the top.